CF560B：Gerald is into Art（思维）

B. Gerald is into Art

time limit per test

2 seconds

memory limit per test

256 megabytes

input

standard input

output

standard output

Gerald bought two very rare paintings at the Sotheby's auction and he now wants to hang them on the wall. For that he bought a special board to attach it to the wall and place the paintings on the board. The board has shape of an a1 × b1 rectangle, the paintings have shape of a a2 × b2 and a3 × b3 rectangles.

Since the paintings are painted in the style of abstract art, it does not matter exactly how they will be rotated, but still, one side of both the board, and each of the paintings must be parallel to the floor. The paintings can touch each other and the edges of the board, but can not overlap or go beyond the edge of the board. Gerald asks whether it is possible to place the paintings on the board, or is the board he bought not large enough?

Input

The first line contains two space-separated numbers a1 and b1 — the sides of the board. Next two lines contain numbers a2, b2, a3 and b3 — the sides of the paintings. All numbers ai, bi in the input are integers and fit into the range from 1 to 1000.

Output

If the paintings can be placed on the wall, print "YES" (without the quotes), and if they cannot, print "NO" (without the quotes).

Examples

input

3 2
1 3
2 1

output

YES

input

5 5
3 3
3 3

output

NO

input

4 2
2 3
1 2

output

YES

Note

That's how we can place the pictures in the first test:

And that's how we can do it in the third one.

题意：给一个大矩形和两个小矩形，判断能不能将这两个小矩形不歪斜&&不重合&&不相交地放进大矩形。

思路：枚举下各个情况即可。

# include <bits/stdc++.h>
using namespace std;

int a1, b1, a2, b2, a3, b3;

bool fun(int x, int y)
{
    if((a1 >= x && b1 >= y) || (a1 >= y && b1 >= x))
        return true;
    return false;
}
int main()
{
    while(~scanf("%d%d%d%d%d%d",&a1,&b1,&a2,&b2,&a3,&b3))
    {
        if(a2 > b2)
            a2 ^= b2 ^= a2 ^= b2;
        if(a3 > b3)
            a3 ^= b3 ^= a3 ^= b3;
        if(fun(a2+a3, max(b2, b3)))
            puts("YES");
        else if(fun(a2+b3, max(b2, a3)))
            puts("YES");
        else if(fun(max(a2, a3), b2+b3))
            puts("YES");
        else if(fun(max(a2, b3),b2+a3))
            puts("YES");
        else
            puts("NO");
    }
    return 0;
}